/Engine/Plugins/Experimental/Mutable/Source/CustomizableObjectEditor/Classes/MuCOE/EdGraphSchema_CustomizableObject.h
Breaks the link between two nodes.
virtual void BreakSinglePinLink ( [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * SourcePin, [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * TargetPin ) const